Finding the Fourth Proportional to 497,437.97, 686,482.83 and 282,614.49
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Solution
The fourth proportional to 497,437.97, 686,482.83 and 282,614.49 is: 390,018.47
Step by Step Solution
- Step 1: Write the proportion equation
497,437.97 : 686,482.83 = 282,614.49 : x - Step 2: Convert to fraction form
497,437.97/686,482.83 = 282,614.49/x - Step 3: Cross multiply
497,437.97x = 686,482.83 × 282,614.49 - Step 4: Simplify right side
497,437.97x = 194,009,994,894.21 - Step 5: Solve for x
x = 194,009,994,894.21/497,437.97 - Step 6: Final answer
x = 390,018.47
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.